[ips-si-alert] WEAK SUDDEN IMPULSE DETECTED (10nT) IN SWS MAG DATA 20 04 18 0022UT issued 0052 UT on 20 Apr 2018 [SEC=UNCLASSIFIED]

[Regional Warning Centre]

WEAK SUDDEN IMPULSE DETECTED (10nT) IN SWS MAG DATA 20 04 18 0022UT
      Mean Mag Parameters Pre/Post Impulse:
                  Pre        Post     Pre/Post
      Stn  Unit   Impulse    Impulse  Change
      can  nT    -45.2      -40.2        5.0
      lrm  nT     31.1       42.9       11.8
      cht  nT   -459.8     -448.0       11.8
      twn  nT     34.3       46.3       12.1
      tvl  nT   -525.0     -513.1       11.9
      cki  nT   -110.1     -100.5        9.6
      kdu  nT    150.1      160.9       10.8

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